Spinel-twinned Copper xls (old classic) ex Jaime Bird Coll.

Copper Country, Houghton Co., Michigan
Small Cabinet, 7.6 x 3.3 x 2.4 cm
Start Time: 05/01/2010 6:30:00 pm (CDT)
End Time: 05/06/2010 6:31:44 pm (CDT)
Auction Closed

Item Description

A classic, old-time specimen of arborescent, spinel-twinned, copper crystals with a nice patina from Copper Country. This dense, floater, copper looks great from either side and is nicely accented with a bit of quartz. This crystal form was described by Dana (1886) as Type 1 branching. Ex Jaime Bird Collection and comes with a 1970s-era Bentley's Minerals label. Valued at $400-600.

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